зона, вільна від загороджень (щоб не заважати маневру своїх сил)
restricted area (airspace)
restricted area (under military jurisdiction)
restricted operations area
restricted area
airspace restricted area
restricted (security classification)
restricted
Restricted Operations Zone (ROZ)
restricted-burning rocket (engine)
restricted-weapons zone
restricted target
restricted target lists (RTL)
restricted articles
restricted job
restricted visibility
instrument restricted airspace
security-restricted
flight restriction zone / flight restricted zone (FRZ)
restricted frequency list (RFL)
altitude barrier
antisubmarine barrier
barrier materials
barrier minefield
barrier plan
barrier system
barrier troops / blocking detachments (units) / anti-retreat forces
boom barrier (boom gate)
concrete barrier
portable vehicle-arresting barrier (PVAB)
sonic barrier
vehicle-arresting barrier
barrier inspection